Nasty Nancy Share definition Flag When a girl shows you her butthole on Snapchat person 1. Dude look what Grace just sent me.Person 2. Bro is that a nasty Nancy? Dude that’s sick Nasty Nancy by Douchebags are scum April 23, 2020 0 0 Get merch Get the Nasty Nancy mug. Buy Now — $32.95 See more merch